Effects of different excavating sequences on mid-partition of double-arched tunnel

WANG Sheng-hui; DU Xiao-ping; YUAN Yong; ZHANG Yong-wu; DU Guo-ping; LIU Liang

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Effects of different excavating sequences on mid-partition of double-arched tunnel

更新时间：2026-06-25

- Effects of different excavating sequences on mid-partition of double-arched tunnel
- Vol. 25, Issue 7期　刊出日, (2004)
- 作者机构：
  
  1. 同济大学土木工程学院,上海,200092
  2. 重庆渝东高速公路有限公司,重庆,400042
- 作者简介：
- 基金信息：
- DOI：
  CLC： U455.41
- Online First：18 July 2014，
  
  Published：2004
- 稿件说明：
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WANG Sheng-hui, DU Xiao-ping, YUAN Yong, et al. Effects of different excavating sequences on mid-partition of double-arched tunnel[J]. 2004, 25(7期　刊出日).
DOI：

WANG Sheng-hui, DU Xiao-ping, YUAN Yong, et al. Effects of different excavating sequences on mid-partition of double-arched tunnel[J]. 2004, 25(7期　刊出日). DOI：

摘要

针对筲箕湾连拱隧道的开挖过程进行两种不同工序的模拟计算，计算中墙在两种不同开挖工序下的强度、变形与稳定性，比较不同开挖工序对隧道中墙的影响。结果表明，中墙是连拱隧道最主要的受力构件，非对称开挖容易在中墙上引起较大偏心荷载。根据计算结果来评价开挖工序的优劣，对连拱隧道的开挖过程提出一些建议。

Abstract

Simulating computation for Shaojiwan double-arched tunnel about two different excavating sequences is carried out; and pays attention to strength

displacement and stability of effects under two excavating sequences. The results show that the mid-partition is a key load-carrying member; the nonsymmetrical excavating will bring eccentrically loads on the mid-partition easily. From the computing results

this paper evaluates the excavating

and gives some opinions on excavating procedure of double-arched tunnel.

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